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Weather & Climate
Deltana, Alaska, United States
Overview
Climate data and monthly weather averages for Deltana.
Key Metrics
Annual Avg
-3.4°C
Summer Avg
12°C
Winter Avg
-17.3°C
Record High
27.2°C
Record Low
-41.5°C
Annual Precipitation
718.6 mm
Avg Humidity
86%
Summer Humidity
77%
Winter Humidity
94%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 1.4° | -19.1° | -41.5° | 31 | 94% | 6 | 35.6 |
| Feb | 0.8° | -15.7° | -39° | 25.2 | 93% | 22 | 37.7 |
| Mar | 4.5° | -13.5° | -41.1° | 23.6 | 93% | 75 | 30 |
| Apr | 14.8° | -3.3° | -27.1° | 28.2 | 86% | 132 | 32.2 |
| May | 23.1° | 6.2° | -15.5° | 57.7 | 74% | 166 | 28.3 |
| Jun | 27.2° | 12° | -4.2° | 120.3 | 74% | 160 | 24.2 |
| Jul | 26.3° | 13.3° | 1.7° | 133 | 78% | 147 | 22.6 |
| Aug | 25.9° | 10.7° | -2.7° | 102.6 | 80% | 115 | 26 |
| Sep | 18.5° | 4.5° | -13.5° | 76.5 | 84% | 68 | 30 |
| Oct | 13.3° | -4.5° | -25.8° | 51.1 | 91% | 30 | 27.6 |
| Nov | 1° | -14.8° | -37.8° | 38.7 | 94% | 8 | 32.4 |
| Dec | 1.5° | -17° | -37.9° | 30.7 | 94% | 2 | 40.9 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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